Keystones — Capstone
Five GCSE retrieval questions · 15 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 750
Answer: 1743 -
2. Algebra
Solve: x⁄7 = 1
Answer: x = 7 -
3. Geometry
Adjacent = 16cm, hypotenuse = 25cm. Find the angle
Answer: 50.2° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 40. If 3 of them are 16, 18, 49, what is the missing number?
Answer: 77